{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{longtable}{l*{4}{c}}
\caption{Pre-WWI Committee Membership. \label{tab:placebo}}\\
\hline\hline\endfirsthead\hline\endhead\hline\endfoot\endlastfoot
                &\multicolumn{2}{c}{Volunteers}       &\multicolumn{2}{c}{Medals}           \\\cmidrule(lr){2-3}\cmidrule(lr){4-5}
                &\multicolumn{1}{c}{(1)}         &\multicolumn{1}{c}{(2)}         &\multicolumn{1}{c}{(3)}         &\multicolumn{1}{c}{(4)}         \\
                &      WWI         &     WWII         &      WWI         &     WWII         \\
\hline
Tenure agri committee: 1911-13&   -0.013         &    0.005         &   -0.001         &    0.001         \\
                &  [0.017]         &  [0.014]         &  [0.003]         &  [0.004]         \\
WWI controls    &      Yes         &       No         &      Yes         &       No         \\
WWII controls   &       No         &      Yes         &       No         &      Yes         \\
State FE (48)   &      Yes         &      Yes         &      Yes         &      Yes         \\
\hline
\(R^{2}\)       &    0.188         &    0.617         &    0.112         &    0.182         \\
Mean dependent variable&    0.409         &    0.634         &    0.058         &    0.140         \\
Observations    &     2329         &     2329         &     2329         &     2329         \\
\hline\hline
\end{longtable}
}
